<div class="breadcrumbs">
    <%= link_to $system.name, :controller => '' %>
	<% if @forum %>
	   -> <%= link_to @forum.name, :controller => 'forum', :action => 'show', :id => @forum %>
	<% end %>
	<% if @topic %>
       -> <%= link_to @topic.name, :controller => 'topic', :action => 'show', :id => @topic %>
    <% end %>
</div>